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Title: Interfacially Induced Cascading Failure in Graphite-Silicon Composite Anodes

Abstract

Silicon (Si) has been well recognized as a promising candidate to replace graphite because of its earth abundance and high-capacity storage, but its large volume changes upon lithiation/delithiation and the consequential material fracturing, loss of electrical contact, and over-consumption of the electrolyte prevent its full application. As a countermeasure for rapid capacity decay, a composite electrode of graphite and Si has been adopted by accommodating Si nanoparticles in a graphite matrix. Such an approach, which involves two materials that interact electrochemically with lithium in the electrode, necessitates an analytical methodology to determine the individual electrochemical behavior of each active material. In this work, a methodology comprising differential plots and integral calculus is established to analyze the complicated interplay among the two active batteries and investigate the failure mechanism underlying capacity fade in the blend electrode. To address performance deficiencies identified by this methodology, an aluminum alkoxide (alucone) surface-modification strategy is demonstrated to stabilize the structure and electrochemical performance of the Silicon (Si) has been well recognized as a promising candidate to replace graphite because of its earth abundance and high-capacity storage, but its large volume changes upon lithiation/delithiation and the consequential material fracturing, loss of electrical contact, and over-consumption ofmore » the electrolyte prevent its full application. As a countermeasure for rapid capacity decay, a composite« less

Authors:
 [1];  [2]; ORCiD logo [3];  [4];  [5];  [2];  [6];  [4]; ORCiD logo [2]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  3. National Renewable Energy Laboratory (NREL), Golden, CO (United States); Yeungnam University, Gyeongsan (Korea)
  4. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); U.S. Army Research Laboratory, Adelphi, MD (United States)
  5. National Renewable Energy Laboratory (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
  6. ALD NanoSolutions, Broomfield, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
OSTI Identifier:
1486914
Alternate Identifier(s):
OSTI ID: 1486916; OSTI ID: 1505077
Report Number(s):
NREL/JA-5900-71599
Journal ID: ISSN 2198-3844
Grant/Contract Number:  
AC36-08GO28308; AC36‐08GO28308
Resource Type:
Journal Article: Published Article
Journal Name:
Advanced Science
Additional Journal Information:
Journal Volume: 6; Journal Issue: 3; Journal ID: ISSN 2198-3844
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; energy storage; lithium-ion batteries; molecular layer deposition; silicon anodes; solid electrolyte interphase

Citation Formats

Son, Seoung-Bum, Cao, Lei, Yoon, Taeho, Cresce, Arthur, Hafner, Simon E., Liu, Jun, Groner, Markus, Xu, Kang, and Ban, Chunmei. Interfacially Induced Cascading Failure in Graphite-Silicon Composite Anodes. United States: N. p., 2018. Web. doi:10.1002/advs.201801007.
Son, Seoung-Bum, Cao, Lei, Yoon, Taeho, Cresce, Arthur, Hafner, Simon E., Liu, Jun, Groner, Markus, Xu, Kang, & Ban, Chunmei. Interfacially Induced Cascading Failure in Graphite-Silicon Composite Anodes. United States. doi:10.1002/advs.201801007.
Son, Seoung-Bum, Cao, Lei, Yoon, Taeho, Cresce, Arthur, Hafner, Simon E., Liu, Jun, Groner, Markus, Xu, Kang, and Ban, Chunmei. Fri . "Interfacially Induced Cascading Failure in Graphite-Silicon Composite Anodes". United States. doi:10.1002/advs.201801007.
@article{osti_1486914,
title = {Interfacially Induced Cascading Failure in Graphite-Silicon Composite Anodes},
author = {Son, Seoung-Bum and Cao, Lei and Yoon, Taeho and Cresce, Arthur and Hafner, Simon E. and Liu, Jun and Groner, Markus and Xu, Kang and Ban, Chunmei},
abstractNote = {Silicon (Si) has been well recognized as a promising candidate to replace graphite because of its earth abundance and high-capacity storage, but its large volume changes upon lithiation/delithiation and the consequential material fracturing, loss of electrical contact, and over-consumption of the electrolyte prevent its full application. As a countermeasure for rapid capacity decay, a composite electrode of graphite and Si has been adopted by accommodating Si nanoparticles in a graphite matrix. Such an approach, which involves two materials that interact electrochemically with lithium in the electrode, necessitates an analytical methodology to determine the individual electrochemical behavior of each active material. In this work, a methodology comprising differential plots and integral calculus is established to analyze the complicated interplay among the two active batteries and investigate the failure mechanism underlying capacity fade in the blend electrode. To address performance deficiencies identified by this methodology, an aluminum alkoxide (alucone) surface-modification strategy is demonstrated to stabilize the structure and electrochemical performance of the Silicon (Si) has been well recognized as a promising candidate to replace graphite because of its earth abundance and high-capacity storage, but its large volume changes upon lithiation/delithiation and the consequential material fracturing, loss of electrical contact, and over-consumption of the electrolyte prevent its full application. As a countermeasure for rapid capacity decay, a composite},
doi = {10.1002/advs.201801007},
journal = {Advanced Science},
issn = {2198-3844},
number = 3,
volume = 6,
place = {United States},
year = {2018},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1002/advs.201801007

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